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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[JAVA-1015] Allow configuration of heartbeat background threads to be set via API</title>
                <link>https://jira.mongodb.org/browse/JAVA-1015</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;The Java driver, as of version 2.9.0, supports automatic failover of mongos instances (&lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-381&quot; title=&quot;Support redundant mongos connections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-381&quot;&gt;&lt;del&gt;JAVA-381&lt;/del&gt;&lt;/a&gt;). The parameters that determine the wait time when the active mongos becomes unavailable, until choosing a new mongos, are only available as system properties. They cannot be set directly via the driver API. This ticket is to add API support for directly specifying the failover timeout value.&lt;/p&gt;

&lt;p&gt;For the record, the relevant system properties, and their default values, are:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;updaterIntervalMS = Integer.parseInt(System.getProperty(&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;com.mongodb.updaterIntervalMS&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;, &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;5000&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;));&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;updaterIntervalNoMasterMS = Integer.parseInt(System.getProperty(&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;com.mongodb.updaterIntervalNoMasterMS&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;, &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;10&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;));&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;mongoOptionsDefaults.connectTimeout = Integer.parseInt(System.getProperty(&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;com.mongodb.updaterConnectTimeoutMS&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;, &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;20000&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;));&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;mongoOptionsDefaults.socketTimeout = Integer.parseInt(System.getProperty(&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;com.mongodb.updaterSocketTimeoutMS&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;, &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;20000&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;));&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;The maximum time to failover to a new mongos is:&lt;/p&gt;

&lt;p&gt;Sum of: &amp;lt;com.mongodb.updaterIntervalMS&amp;gt; + max(com.mongodb.updaterSocketTimeoutMS, com.mongodb.updaterConnectTimeoutMS, ping time) for each mongos&lt;/p&gt;


&lt;p&gt;The new options are:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;MongoClientOptions#getHeartbeatFrequency&lt;/li&gt;
	&lt;li&gt;MongoClientOptions#getHeartbeatConnectRetryFrequency&lt;/li&gt;
	&lt;li&gt;MongoClientOptions#getHeartbeatConnectTimeout&lt;/li&gt;
	&lt;li&gt;MongoClientOptions#getHeartbeatSocketTimeout&lt;/li&gt;
	&lt;li&gt;MongoClientOptions#getHeartbeatThreadCount&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="94054">JAVA-1015</key>
            <summary>Allow configuration of heartbeat background threads to be set via API</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="jeff.yemin@mongodb.com">Jeffrey Yemin</assignee>
                                    <reporter username="jeff.yemin@mongodb.com">Jeffrey Yemin</reporter>
                        <labels>
                    </labels>
                <created>Mon, 14 Oct 2013 03:58:10 +0000</created>
                <updated>Thu, 3 Apr 2014 15:22:16 +0000</updated>
                            <resolved>Tue, 12 Nov 2013 03:35:53 +0000</resolved>
                                                    <fixVersion>2.12.0</fixVersion>
                                    <component>API</component>
                    <component>Cluster Management</component>
                    <component>Configuration</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="454825" author="auto" created="Tue, 12 Nov 2013 03:34:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jyemin&apos;, u&apos;name&apos;: u&apos;Jeff Yemin&apos;, u&apos;email&apos;: u&apos;jeff.yemin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-1015&quot; title=&quot;Allow configuration of heartbeat background threads to be set via API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-1015&quot;&gt;&lt;del&gt;JAVA-1015&lt;/del&gt;&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-1016&quot; title=&quot;Allow acceptable latency difference to be configured via API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-1016&quot;&gt;&lt;del&gt;JAVA-1016&lt;/del&gt;&lt;/a&gt;: Added heartbeat background thread configuration and acceptable latency difference configuration to MongoClientOptions.&lt;/p&gt;

&lt;p&gt;Conflicts:&lt;br/&gt;
	src/main/com/mongodb/DBTCPConnector.java&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/eaef3d69fd6be9f311fee1b4e84aff8eea58f00f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/eaef3d69fd6be9f311fee1b4e84aff8eea58f00f&lt;/a&gt;&lt;/p&gt;</comment>
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